---
title: kAVCSignalModeMask_SDL
framework: IOKit
role: symbol
role_heading: Enumeration Case
platforms: [Mac Catalyst 13.0+, macOS 10.2+]
path: iokit/ioavcopcodes/kavcsignalmodemask_sdl
---

# kAVCSignalModeMask_SDL

## Declaration

```occ
kAVCSignalModeMask_SDL = 0x04
```